linux-kernel - Re: Intel HD audio in 2.6.28

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Message-ID: <20090114101443.GC2847@ics.muni.cz>
Date:	Wed, 14 Jan 2009 11:14:43 +0100
From:	Lukas Hejtmanek <xhejtman@....muni.cz>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Intel HD audio in 2.6.28

On Wed, Jan 14, 2009 at 10:19:07AM +0100, Takashi Iwai wrote:
> "Mic Playback Switch" doesn't control the internal mic.  It's only for
> the mic jack.  You should be able to mute "Internal Mic Playback
> Switch", and this should be irrelevant from the capture path.
> 
> Make sure that your mixer app does anything strange...

I figured it out. I can choose input source as Internal, Dock, Mic, Mix. If
I choose Mix, the Internal Mic in playback cannot be mute otherwise nothing is
captured by an application. If I choose Internal, the Internal Mic in playback
can be mute and applications still record from sound from the internal
microphone.

Is this expected?

So: Input source = Internal = muting Internal Mic (in playback) works fine.
    Input source = Mix = muting Internal Mic (in playback) stops recording
                        from the internal mic for applications.

If this is not expected, I send those alsa-info files. Thanks.

-- 
Lukáš Hejtmánek
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